*primary key (partition, clustering1, clustering2)* So, the partitioning key has three columns. You need to specify values for all three columns. For clustering columns, you need another parenthesis like *primary key (partition, (clustering1, clustering2))*
*.... Sushanta* On Sun, Jan 12, 2020 at 10:52 AM Jeff Jirsa <jji...@gmail.com> wrote: > Can you open a jira so someone can investigate ? It’s probably just a > logging / visibility problem, but we should confirm > > Sent from my iPhone > > On Jan 12, 2020, at 6:04 AM, onmstester onmstester > <onmstes...@zoho.com.invalid> wrote: > > > Using Apache Cassandra 3.11.2, defined a table like this: > > > *create table my_table(* > *partition text,* > *clustering1 int,* > > *clustering2 text,* > > *data set<text>,* > *primary key (partition, clustering1, clustering2))* > > and configured slow queries threshold to 1ms in yaml to see how queries > passed to cassandra. Query below: > > *select * from my_table where partition='a' and clustering1= 1 and > clustering2='b'* > > would be like this in debug.log of cassandra: > > *select * from my_table where partition='a' LIMIT 100> (it means that the > two cluster key restriction did not push down to storage engine and the > whole partition been retrieved)* > > but this query: > > *select * from my_table where partition='a' and clustering1= 1* > > *would be * > > *select * from my_table where partition='a' and clustering1= 1 LIMIT 100> > (single cluster key been pushed down to storage engine)* > > > *So it seems to me that, we could not restrict multiple clustering keys in > select because it would retrieve the whole partition ?!* > > Sent using Zoho Mail > <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.zoho.com_mail_&d=DwMFaQ&c=udBTRvFvXC5Dhqg7UHpJlPps3mZ3LRxpb6__0PomBTQ&r=JaNakyvP8b5eGvWhmxll6L4SNrrqHGq3Ghe3-Mb4Nezhm-3SiJqFhK3ICb6tsog4&m=nLzRDuDtJfHu6ztWOA1rS6O5NNM608IOgZ5IQ-DCwXc&s=uiUd0dwu7gjeqOHJ3l_qTkBp8vsm9aeH4a4abkZFFKc&e=> > > > > -- *Sushanta Saha|*MTS IV-Cslt-Sys Engrg|WebIaaS_DB Group|HQ - * VerizonWireless O 770.797.1260 C 770.714.6555 Iaas Support Line 949-286-8810*
